A thick shell "implies a longer route that oxygen and nutrients would have to travel to connect Europa’s surface with its ...

NASA’s Curiosity rover has photographed a knobbly Martian rock that looks strikingly like a piece of ocean coral, a reminder ...

When astronomers announced Kepler-452b, they were not just adding another distant world to a growing catalog. They were ...

Europa's hidden ocean could thus be fed by the sinking ice, which carries down oxidants and nutrients produced on the surface ...

The sheer scale of Carrazco-Gaxiola’s survey, titled “An All-Sky Spectroscopic Reconnaissance of More Than 2,100 K Dwarfs Within 40 Parsecs Using High-Resolution Spectra,” is what sets it apart.

Scientists claim that first extraterrestrial contact will be a loud event impossible to ignore, not a subtle signal.

Here’s a look at how Snoopy has served his country, spanning more than 70 years.

The JWST tracks a path right-to-left across the eastern horizon in the hours following sunset in January. On Jan. 19 it will be located to the left of the star Nu Orionis in the raised right arm of ...

NASA has formally concluded that 3I/ATLAS, the third confirmed interstellar object ever detected passing through the solar system, is a naturally occurring comet, bringing months of speculation about ...

A team of astronomers found no radio signals from the comet that would suggest it is an extraterrestrial spaceship. The comet was confirmed in July 2025 as the third known object to enter our solar ...